Mean (SD) vitamin K1 plasma concentrations and INR values
| Oral | Intramuscular | p value1-150 | |
|---|---|---|---|
| Vitamin K1 (ng/ml) | |||
| 14 days | 2.1 (1.6) (n = 66) | 1.3 (1.1) (n = 69) | < 0.007 |
| 30 days | 0.5 (0.3) (n = 64) | 0.5 (0.7) (n = 65) | NS |
| 56 days | 0.5 (0.8) (n = 63) | 0.2 (0.2) (n = 66) | < 0.0003 |
| INR | |||
| 14 days | 0.96 (0.33) (n = 69) | 0.95 (0.25) (n = 70) | NS |
| 30 days | 0.86 (0.18) (n = 66) | 0.84 (0.14) (n = 71) | NS |
| 56 days | 0.83 (0.18) (n = 64) | 0.84 (0.13) (n = 67) | NS |
↵1-150 Wilcoxon 2 sample test.